package _1读取全局的配置;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/TestServlet1")
public class TestServlet1 extends HttpServlet {
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		resp.setContentType("text/html;charset=utf-8");
		PrintWriter pw = resp.getWriter();
		
		
		// ServletContext功能1 从web.xml中读取配置信息
		
		// 1. 得到ServletContext对象
		ServletContext sc = getServletContext();
		
		// 2. 获取配置信息
		pw.print(sc.getInitParameter("company"));
		
		
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		doGet(req, resp);
	}
}